//! Job pause operation

use crate::{
	context::CoreContext,
	infra::{
		action::{error::ActionResult, LibraryAction},
		job::types::JobId,
	},
};
use serde::{Deserialize, Serialize};
use specta::Type;
use std::sync::Arc;
use uuid::Uuid;

#[derive(Debug, Clone, Serialize, Deserialize, Type)]
pub struct JobPauseInput {
	pub job_id: Uuid,
}

impl JobPauseInput {
	pub fn new(job_id: Uuid) -> Self {
		Self { job_id }
	}
}

#[derive(Debug, Clone, Serialize, Deserialize, Type)]
pub struct JobPauseOutput {
	pub job_id: Uuid,
	pub success: bool,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct JobPauseAction {
	input: JobPauseInput,
}

impl JobPauseAction {
	pub fn new(input: JobPauseInput) -> Self {
		Self { input }
	}
}

impl LibraryAction for JobPauseAction {
	type Input = JobPauseInput;
	type Output = JobPauseOutput;

	fn from_input(input: JobPauseInput) -> Result<Self, String> {
		Ok(JobPauseAction::new(input))
	}

	fn action_kind(&self) -> &'static str {
		"jobs.pause"
	}

	async fn execute(
		self,
		library: Arc<crate::library::Library>,
		_context: Arc<CoreContext>,
	) -> ActionResult<Self::Output> {
		let job_id = JobId::from(self.input.job_id);

		match library.jobs().pause_job(job_id).await {
			Ok(()) => Ok(JobPauseOutput {
				job_id: self.input.job_id,
				success: true,
			}),
			Err(e) => {
				// Return success=false instead of error for better UX
				eprintln!("Failed to pause job: {}", e);
				Ok(JobPauseOutput {
					job_id: self.input.job_id,
					success: false,
				})
			}
		}
	}
}

crate::register_library_action!(JobPauseAction, "jobs.pause");
